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Basic Principles of Frequency Modulation




Some good shots to be logged
Title: "This film will not be shown to the public without permission of the War Department."
CU AM/FM radio dial
CU violinist in front of radio microphone
VS two-way radio being used in combat
Many great chalk talks, diagrams, animation showing technical aspects of radio transmission


Producer U.S. War Department, Army Pictorial Service
Production Company U.S. War Department
Sponsor U.S. War Department
Audio/Visual sound, color

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